slowly descending into madness

shaders/point_draw_shader.gdshader

@@ -0,0 +1,25 @@
+shader_type canvas_item;
+//render_mode skip_vertex_transform;
+
+uniform sampler2D point_texture;
+
+uniform ivec2 point_texture_size;
+uniform ivec2 canvas_size;
+
+void vertex() {
+	int id = INSTANCE_ID;
+	int x = id % point_texture_size.x;
+	int y = id / point_texture_size.x;
+	// This feels dumb
+	vec2 uv = vec2(float(x), float(y));
+	vec4 point_data = texture(point_texture, uv);
+
+	vec2 pos = point_data.xy;
+	float angle = point_data.z;
+
+	VERTEX=pos;
+}
+
+void fragment() {
+	COLOR=vec4(1, 1, 1, 1);
+}

shaders/point_draw_shader.gdshader.uid

@@ -0,0 +1 @@
+uid://bq044vr2240p4

shaders/point_update_shader.gdshader

@@ -7,6 +7,8 @@ uniform ivec2 point_texture_size;
 uniform ivec2 canvas_size;
 uniform float point_speed;
 
+varying vec4 data;
+
 // Snippets of code drawn from https://gist.github.com/Bleuje/1e497df4505ca24c39ab3930a95700b3
 float gn(in vec2 coordinate, in float seed){
     return fract(tan(distance(coordinate*(seed+0.118446744073709551614), vec2(0.118446744073709551614, 0.314159265358979323846264)))*0.141421356237309504880169);
@@ -17,7 +19,7 @@ float trail_at_pos(vec2 uv) {
 }
 
 void vertex() {
-	int id = VERTEX_ID;
+	int id = INSTANCE_ID;
 	int x = id % point_texture_size.x;
 	int y = id / point_texture_size.x;
 	// This feels dumb
@@ -25,14 +27,12 @@ void vertex() {
 	vec4 point_data = texture(point_texture, uv);
 	
 	vec2 pos = point_data.xy;
-	pos += vec2(5000.0, 5000.0);
 	float angle = point_data.z;
 
-	
-	VERTEX = pos/vec2(canvas_size);
-	//COLOR = vec4(pos, angle, point_data.z)
-	COLOR=vec4(1, 1, 1, 1);
+	//COLOR = vec4(0.2, 0.0, 0.0, 1.0)
+	data=vec4(pos, angle, point_data.z);
 }
 
 void fragment() {
-}
+	COLOR=data;
+}